package com.yang.qgg_demo.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.IService;
import com.yang.qgg_demo.entity.Bill;

import java.util.List;
import java.util.Map;


public interface BillService extends IService<Bill> {
    public List<Map<String, Object>> getTotalMoneyByDate();
    public Integer addBill();
    public Integer addprofit();
}
